Table of Contents
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10
11
12
12
9.2.5
Switch the pump on or off................................................. 83
9.2.6
Setting the service interval................................................ 83
9.2.7
Service mode...................................................................83
9.2.8
Setting legionella prevention.............................................. 84
9.2.9
Solar heating system configuration..................................... 85
9.2.10 Setting the central heating configuration..............................87
Maintenance.............................................................................. 89
10.1
Preparation......................................................................89
10.2
Water-side maintenance.................................................... 90
10.2.1 Descale the tank.............................................................. 90
10.2.2 Clean the condensate drain................................................91
10.3
Gas-side maintenance....................................................... 91
10.3.1 Clean the burner.............................................................. 91
10.3.2 Clean the heat exchanger.................................................. 91
10.4
Solar collector maintenance............................................... 92
10.5
Finalization...................................................................... 92
Troubleshooting........................................................................ 93
11.1
Errors and warnings..........................................................93
11.1.1 General errors..................................................................94
11.1.2 Displayed errors............................................................... 95
11.1.3 Warnings....................................................................... 100
Appendices.............................................................................. 103
12.1
Technical details............................................................. 103
12.2
Dimensions.................................................................... 105
12.3
Gas details.....................................................................107
12.4
Week program card.........................................................108
12.5
Electrical wiring diagram.................................................. 110
12.6
Electrical wiring diagram solar heating system.................... 112
12.7
Menu structure............................................................... 113
12.8
Declaration of conformity................................................. 114
12.9
Warranty....................................................................... 115
12.10
Detailed installation diagram............................................ 117
Index...................................................................................... 119
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